{ INFORMATICS.MCCME.RU
  Problem statement: http://informatics.mccme.ru/moodle/mod/statements/view3.php?chapterid=359
  Verdict: Accepted
}
uses SysUtils, Math;
 
var
	i,j,n,m:longint;
	a:array[0..1010,0..1010] of longint;
	curP,ansP,ans:int64;
 
begin
reset(input,'input.txt');
rewrite(output,'output.txt');
fillchar(a,sizeof(a),0);
read(n,m);
for i:=1 to n do
	for j:=1 to m do read(a[i][j]);
ansP:=-1;
ans:=0;
for i:=1 to n do begin
	curP:=0;
	for j:=1 to m do
		curP:=max(curP,a[i][j]);
	if curP>ansP then begin	
		ansP:=curP;
		ans:=1;
	end else
	if curP=ansP then inc(ans);
end;
write(ans);
end.